//全局调用
body, html
  line-height: 1
  font-weight: 200
  font-family: 'PingFang SC', 'STHeitiSC-Light', 'Helvetica-Light', arial, sans-serif

.clearfix
  display inline-block
  &:after
    content "."
    display block
    height 0
    clear both
    visibility hidden


//类名让border-1px可以进行缩放
@media (-webkit-min-device-pixel-ratio: 1.5),(min-device-pixel-ratio: 1.5)
  .border-1px
    &::after
      -webkit-transform scaleY(0.7),
      transform scaleY(0.7)
@media (-webkit-min-device-pixel-ratio: 2),(min-device-pixel-ratio: 2)
  .border-1px
    &::after
      -webkit-transform scaleY(0.5),
      transform scaleY(0.5)
